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Finding the Fourth Proportional to 168,803.19, 253,245.96 and 50,474.54

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Solution

The fourth proportional to 168,803.19, 253,245.96 and 50,474.54 is: 75,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,803.19 : 253,245.96 = 50,474.54 : x
  2. Step 2: Convert to fraction form
    168,803.19/253,245.96 = 50,474.54/x
  3. Step 3: Cross multiply
    168,803.19x = 253,245.96 × 50,474.54
  4. Step 4: Simplify right side
    168,803.19x = 12,782,473,970.97
  5. Step 5: Solve for x
    x = 12,782,473,970.97/168,803.19
  6. Step 6: Final answer
    x = 75,724.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.